Routing Table Report 04:00 +10GMT Sun 27 Dec, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 308382
Prefixes after maximum aggregation: 143068
Deaggregation factor: 2.16
Unique aggregates announced to Internet: 151156
Total ASes present in the Internet Routing Table: 32984
Prefixes per ASN: 9.35
Origin-only ASes present in the Internet Routing Table: 28633
Origin ASes announcing only one prefix: 13984
Transit ASes present in the Internet Routing Table: 4351
Transit-only ASes present in the Internet Routing Table: 100
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 708
Unregistered ASNs in the Routing Table: 131
Number of 32-bit ASNs allocated by the RIRs: 377
Prefixes from 32-bit ASNs in the Routing Table: 334
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 159
Number of addresses announced to Internet: 2166460160
Equivalent to 129 /8s, 33 /16s and 143 /24s
Percentage of available address space announced: 58.5
Percentage of allocated address space announced: 66.2
Percentage of available address space allocated: 88.2
Percentage of address space in use by end-sites: 80.5
Total number of prefixes smaller than registry allocations: 148737
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 74725
Total APNIC prefixes after maximum aggregation: 25743
APNIC Deaggregation factor: 2.90
Prefixes being announced from the APNIC address blocks: 71414
Unique aggregates announced from the APNIC address blocks: 31215
APNIC Region origin ASes present in the Internet Routing Table: 3896
APNIC Prefixes per ASN: 18.33
APNIC Region origin ASes announcing only one prefix: 1059
APNIC Region transit ASes present in the Internet Routing Table: 608
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 22
Number of APNIC addresses announced to Internet: 486038560
Equivalent to 28 /8s, 248 /16s and 92 /24s
Percentage of available APNIC address space announced: 80.5
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 43/8, 58/8, 59/8, 60/8, 61/8, 110/8, 111/8,
112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8,
119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8,
126/8, 133/8, 175/8, 180/8, 182/8, 183/8, 202/8,
203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
222/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 129579
Total ARIN prefixes after maximum aggregation: 67468
ARIN Deaggregation factor: 1.92
Prefixes being announced from the ARIN address blocks: 103709
Unique aggregates announced from the ARIN address blocks: 39056
ARIN Region origin ASes present in the Internet Routing Table: 13433
ARIN Prefixes per ASN: 7.72
ARIN Region origin ASes announcing only one prefix: 5203
ARIN Region transit ASes present in the Internet Routing Table: 1335
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 734241824
Equivalent to 43 /8s, 195 /16s and 164 /24s
Percentage of available ARIN address space announced: 64.4
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 24/8, 26/8, 28/8, 29/8,
30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8,
44/8, 45/8, 47/8, 48/8, 52/8, 54/8, 55/8,
56/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8,
69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8,
76/8, 96/8, 97/8, 98/8, 99/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 70638
Total RIPE prefixes after maximum aggregation: 41382
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 63998
Unique aggregates announced from the RIPE address blocks: 42702
RIPE Region origin ASes present in the Internet Routing Table: 13914
RIPE Prefixes per ASN: 4.60
RIPE Region origin ASes announcing only one prefix: 7238
RIPE Region transit ASes present in the Internet Routing Table: 2093
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 409221184
Equivalent to 24 /8s, 100 /16s and 56 /24s
Percentage of available RIPE address space announced: 76.2
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 196608-197631
RIPE Address Blocks 2/8, 25/8, 46/8, 51/8, 62/8, 77/8, 78/8,
79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8,
86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8,
93/8, 94/8, 95/8, 109/8, 178/8, 193/8, 194/8,
195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 26919
Total LACNIC prefixes after maximum aggregation: 6543
LACNIC Deaggregation factor: 4.11
Prefixes being announced from the LACNIC address blocks: 25264
Unique aggregates announced from the LACNIC address blocks: 13798
LACNIC Region origin ASes present in the Internet Routing Table: 1222
LACNIC Prefixes per ASN: 20.67
LACNIC Region origin ASes announcing only one prefix: 390
LACNIC Region transit ASes present in the Internet Routing Table: 202
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 69584640
Equivalent to 4 /8s, 37 /16s and 199 /24s
Percentage of available LACNIC address space announced: 69.1
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 5964
Total AfriNIC prefixes after maximum aggregation: 1597
AfriNIC Deaggregation factor: 3.73
Prefixes being announced from the AfriNIC address blocks: 4367
Unique aggregates announced from the AfriNIC address blocks: 1552
AfriNIC Region origin ASes present in the Internet Routing Table: 336
AfriNIC Prefixes per ASN: 13.00
AfriNIC Region origin ASes announcing only one prefix: 94
AfriNIC Region transit ASes present in the Internet Routing Table: 72
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC addresses announced to Internet: 14597376
Equivalent to 0 /8s, 222 /16s and 189 /24s
Percentage of available AfriNIC address space announced: 43.5
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 1785 7509 465 Korea Telecom (KIX)
17488 1457 145 132 Hathway IP Over Cable Interne
4755 1285 291 146 TATA Communications formerly
4134 1014 19445 398 CHINANET-BACKBONE
9583 998 75 505 Sify Limited
18101 998 204 37 Reliance Infocom Ltd Internet
7545 922 198 96 TPG Internet Pty Ltd
9829 853 677 24 BSNL National Internet Backbo
17974 850 272 62 PT TELEKOMUNIKASI INDONESIA
4808 833 1583 211 CNCGROUP IP network: China169
Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4187 3891 306 bellsouth.net, inc.
4323 3777 1068 400 Time Warner Telecom
1785 1798 699 134 PaeTec Communications, Inc.
7018 1589 5791 1032 AT&T WorldNet Services
20115 1534 1486 666 Charter Communications
2386 1287 615 928 AT&T Data Communications Serv
3356 1205 10930 424 Level 3 Communications, LLC
11492 1153 222 14 Cable One
22773 1122 2600 66 Cox Communications, Inc.
6478 1099 242 304 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
30890 517 98 207 Evolva Telecom
35805 511 40 5 United Telecom of Georgia
3292 448 1903 393 TDC Tele Danmark
702 419 1837 337 UUNET - Commercial IP service
8551 386 354 41 Bezeq International
8866 378 110 23 Bulgarian Telecommunication C
3320 361 7068 307 Deutsche Telekom AG
3301 350 1412 306 TeliaNet Sweden
3215 349 3160 112 France Telecom Transpac
12479 315 578 6 Uni2 Autonomous System
Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1568 2898 230 UniNet S.A. de C.V.
10620 1005 224 131 TVCABLE BOGOTA
28573 829 674 84 NET Servicos de Comunicao S.A
7303 665 351 96 Telecom Argentina Stet-France
22047 545 302 14 VTR PUNTO NET S.A.
11830 472 308 59 Instituto Costarricense de El
11172 446 99 70 Servicios Alestra S.A de C.V
6503 444 163 183 AVANTEL, S.A.
14117 437 29 11 Telefonica del Sur S.A.
7738 431 858 29 Telecomunicacoes da Bahia S.A
Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 1039 444 8 TEDATA
24863 715 142 54 LINKdotNET AS number
3741 273 857 233 The Internet Solution
2018 178 196 100 Tertiary Education Network
6713 177 167 12 Itissalat Al-MAGHRIB
29571 157 19 9 Ci Telecom Autonomous system
29975 134 506 15 Vodacom
33776 123 7 11 Starcomms Nigeria Limited
5536 121 8 18 Internet Egypt Network
5713 114 505 68 Telkom SA Ltd
Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4187 3891 306 bellsouth.net, inc.
4323 3777 1068 400 Time Warner Telecom
1785 1798 699 134 PaeTec Communications, Inc.
4766 1785 7509 465 Korea Telecom (KIX)
7018 1589 5791 1032 AT&T WorldNet Services
8151 1568 2898 230 UniNet S.A. de C.V.
20115 1534 1486 666 Charter Communications
17488 1457 145 132 Hathway IP Over Cable Interne
2386 1287 615 928 AT&T Data Communications Serv
4755 1285 291 146 TATA Communications formerly
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3777 3377 Time Warner Telecom
1785 1798 1664 PaeTec Communications, Inc.
8151 1568 1338 UniNet S.A. de C.V.
17488 1457 1325 Hathway IP Over Cable Interne
4766 1785 1320 Korea Telecom (KIX)
4755 1285 1139 TATA Communications formerly
11492 1153 1139 Cable One
22773 1122 1056 Cox Communications, Inc.
18566 1059 1049 Covad Communications
8452 1039 1031 TEDATA
Complete listing at http://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
2.0.0.0/16 12654 RIPE NCC RIS Project
2.1.0.0/21 12654 RIPE NCC RIS Project
2.1.24.0/24 12654 RIPE NCC RIS Project
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
46.0.0.0/16 12654 RIPE NCC RIS Project
46.1.0.0/21 12654 RIPE NCC RIS Project
46.1.24.0/24 12654 RIPE NCC RIS Project
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
Complete listing at http://thyme.apnic.net/current/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:21 /9:10 /10:25 /11:65 /12:181
/13:381 /14:652 /15:1234 /16:10834 /17:5048 /18:8615
/19:17731 /20:21649 /21:21646 /22:27985 /23:28127 /24:161230
/25:934 /26:1178 /27:584 /28:225 /29:11 /30:8
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2727 4187 bellsouth.net, inc.
4323 2368 3777 Time Warner Telecom
4766 1435 1785 Korea Telecom (KIX)
1785 1265 1798 PaeTec Communications, Inc.
17488 1224 1457 Hathway IP Over Cable Interne
11492 1073 1153 Cable One
18566 1040 1059 Covad Communications
7018 959 1589 AT&T WorldNet Services
8452 935 1039 TEDATA
10620 910 1005 TVCABLE BOGOTA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:13 8:242 12:2017 13:9 15:22
16:3 17:8 20:37 24:1291 32:49 38:637
40:99 41:1869 44:3 46:1 47:30 52:6
55:2 56:2 57:24 58:644 59:657 60:445
61:1098 62:973 63:2013 64:3800 65:2369 66:4114
67:1855 68:1041 69:2808 70:686 71:231 72:1884
73:3 74:2073 75:223 76:362 77:865 78:599
79:405 80:964 81:803 82:460 83:439 84:515
85:1005 86:380 87:695 88:419 89:1548 90:63
91:2667 92:419 93:1136 94:1343 95:785 96:194
97:290 98:461 99:23 109:202 110:281 111:517
112:165 113:221 114:298 115:470 116:1091 117:600
118:385 119:803 120:148 121:832 122:1365 123:808
124:1025 125:1304 128:212 129:201 130:133 131:450
132:82 133:16 134:188 135:41 136:228 137:168
138:234 139:82 140:463 141:122 142:376 143:335
144:390 145:53 146:390 147:180 148:560 149:196
150:151 151:172 152:228 153:162 154:2 155:268
156:174 157:332 158:98 159:355 160:305 161:174
162:281 163:221 164:309 165:472 166:490 167:393
168:761 169:160 170:571 171:42 172:1 173:404
174:529 175:20 180:273 183:171 184:3 186:243
187:216 188:1107 189:609 190:3422 192:5708 193:4360
194:3362 195:2776 196:1186 198:3552 199:3389 200:5250
201:1448 202:8034 203:8309 204:3985 205:2169 206:2423
207:3069 208:3942 209:3425 210:2562 211:1159 212:1655
213:1646 214:249 215:58 216:4438 217:1380 218:478
219:446 220:1166 221:449 222:301
End of report